ISL78419_15 Datasheet, PDF (18/20 Pages) Intersil Corporation – Integrated Automotive TFT-LCD Power Supply Regulator

ISL78419
EN
UVLO
VIN
t_{SS_VLOGIC}
VLOGIC
PANEL NORMAL OPERATION
AVDD
VOFF
t_{SS_AVDD} CONTROLLED BY V_SS
UVLO
VON
VCOM
1.280V
VDIV
1.217V
CD2
1.222V
RESET
VDPM
1.215V
VGHM
GPM ENABLED WHEN BOTH
1) EN = HIGH AND
2) VDPM > 1.215V
VGHM OUTPUT TIED TO VGH WHEN VIN FALLS TO UVLO
FIGURE 20. ISL78419 POWER-ON/OFF SEQUENCE
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FN8292.3
June 27, 2014